A system for performing high resolution measurement of frequency\nvariations in multimode fiber laser acoustic sensors having an end-pumped active fiber\nsensor emitting a plurality of lasing modes, wherein precise frequencies of the lasing\nmodes emitted are dependent upon a strain acting on said ...
A system for performing high resolution measurement of frequency\nvariations in multimode fiber laser acoustic sensors having an end-pumped active fiber\nsensor emitting a plurality of lasing modes, wherein precise frequencies of the lasing\nmodes emitted are dependent upon a strain acting on said ...